(21.9)(6)=t

Solution for (21.9)(6)=t equation:

Simplifying
(21.9)(6) = t

Multiply 21.9 * 6
131.4 = t

Solving
131.4 = t

Solving for variable 't'.

Move all terms containing t to the left, all other terms to the right.

Add '-1t' to each side of the equation.
131.4 + -1t = t + -1t

Combine like terms: t + -1t = 0
131.4 + -1t = 0

Add '-131.4' to each side of the equation.
131.4 + -131.4 + -1t = 0 + -131.4

Combine like terms: 131.4 + -131.4 = 0.0
0.0 + -1t = 0 + -131.4
-1t = 0 + -131.4

Combine like terms: 0 + -131.4 = -131.4
-1t = -131.4

Divide each side by '-1'.
t = 131.4

Simplifying
t = 131.4